Inventor · disambiguated record
Chao Chuan Chien
Also filed as: CHIEN CHAO C · CHIEN CHAO CHUAN
17 granted patents·4 pending applications·231 citations·filing 1976–2018
94Inventor score
Top patents by PatentIndex Score
21 records- 0189US7549778B2Work light structureCHIEN CHAO CHUAN·Filed 2007·Granted Jun 23, 2009·20 cites·22 claims
- 0288US8840418B2Socket structure capable of preventing plug from detachingCHIEN CHAO-CHUAN·Filed 2012·Granted Sep 23, 2014·20 cites·20 claims
- 0381US4072210ACompressorCHIEN CHAO C·Filed 1976·Granted Feb 7, 1978·36 cites·4 claims
- 0477US7147014B2Smart tree stand with water filling deviceCHIEN CHAO CHUAN·Filed 2005·Granted Dec 12, 2006·6 cites·19 claims
- 0575USD565218SPortable work lightCHIEN CHAO CHUAN·Filed 2007·Granted Mar 25, 2008·21 cites·1 claims
- 0674US5681409AUltrasonic welding of electrical plugFiled 1996·Granted Oct 28, 1997·34 cites·2 claims
- 0772US7360917B2Lamp holder with a securing stakeCHIEN CHAO CHUAN·Filed 2006·Granted Apr 22, 2008·9 cites·13 claims
- 0868US8721137B1Angle-adjustable hand-held lampCHIEN CHAO-CHUAN·Filed 2012·Granted May 13, 2014·2 cites·9 claims
- 0968US7825334B2Socket with power supplyCHIEN CHAO CHUAN·Filed 2007·Granted Nov 2, 2010·11 cites·7 claims
- 1067US6857760B2Power outlet with night-vision-functionFiled 2003·Granted Feb 22, 2005·14 cites·10 claims
- 1161US5863364AUltrasonically welded electrical plug including illuminated indicatorFiled 1997·Granted Jan 26, 1999·21 cites·4 claims
- 1258USD615490SEmergency battery for vehiclesCHIEN CHAO CHUAN·Filed 2008·Granted May 11, 2010·10 cites·1 claims
- 1357US6270370B1Anti-loose midway electric receptacleFiled 2000·Granted Aug 7, 2001·10 cites·10 claims
- 1455US7029332B2Flat plug structureCHIEN CHAO CHUAN·Filed 2004·Granted Apr 18, 2006·9 cites·10 claims
- 1549US2010110700A1Lighting deviceCHIEN CHAO-CHUAN·Filed 2008·Application pending·0 cites
- 1647US2008192461A1Portable worklight with two switchable lightsourcesCHIEN CHAO CHUAN·Filed 2007·Application pending·0 cites
- 1745USD624672SString lightCHIEN CHAO-CHUAN·Filed 2009·Granted Sep 28, 2010·5 cites·1 claims
- 1839USD834740SWorklightPT HO WAH GENTING·Filed 2017·Granted Nov 27, 2018·2 cites·1 claims
- 1936US2004203277A1Power outlet with winding wire functionFiled 2003·Application pending·0 cites
- 2036US2004092158A1Power outlet with support elementFiled 2002·Application pending·0 cites
- 2134USD848053SWorklightPT HO WAH GENTING·Filed 2018·Granted May 7, 2019·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Chao Chuan Chien files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →